1 files changed, 161 insertions, 0 deletions
diff --git a/test/regression/varargs2.c b/test/regression/varargs2.c
new file mode 100644
index 0000000..e2eefce
--- /dev/null
+++ b/test/regression/varargs2.c
@@ -0,0 +1,161 @@
+#include <stdarg.h>
+#include <stdio.h>
+
+void minivprintf(const char * fmt, va_list ap)
+{
+  char c;
+
+  while (1) {
+    switch(c = *fmt++) {
+    case 0:
+      return;
+    case '%':
+      switch (*fmt++) {
+      case '%':
+        putchar('%');
+        break;
+      case 'c':
+        printf("%c", (char) va_arg(ap, int));
+        break;
+      case 's':
+        printf("%s", va_arg(ap, char *));
+        break;
+      case 'd':
+        printf("%d", va_arg(ap, int));
+        break;
+      case 'l':
+        printf("%lld", va_arg(ap, long long));
+        break;
+      case 'e':
+        printf("%.10g", va_arg(ap, double));
+        break;
+      case 'f':
+        printf("%.10g", (float) va_arg(ap, double));
+        break;
+      default:
+        puts("<bad format>");
+        return;
+      }
+      break;
+    default:
+      putchar(c);
+      break;
+    }
+  }
+}
+
+void miniprintf(const char * fmt, ...)
+{
+  va_list va;
+  va_start(va, fmt);
+  minivprintf(fmt, va);
+  va_end(va);
+}
+
+/* Run va_start twice */
+
+void miniprintf2(const char * fmt, ...)
+{
+  va_list va;
+  va_start(va, fmt);
+  minivprintf(fmt, va);
+  va_end(va);
+  va_start(va, fmt);
+  minivprintf(fmt, va);
+  va_end(va);
+}
+
+/* Use va_copy */
+
+void miniprintf3(const char * fmt, ...)
+{
+  va_list va, va2;
+  va_start(va, fmt);
+  va_copy(va2, va);
+  minivprintf(fmt, va);
+  minivprintf(fmt, va2);
+  va_end(va);
+  va_end(va2);
+}
+
+/* Add some dummy arguments to force overflow into stack-passed params
+   (mostly relevant for ARM and PowerPC) */
+
+void miniprintf_extra(int i1, int i2, int i3, int i4, 
+                      int i5, int i6, int i7, int i8,
+                      double f1, double f2, double f3, double f4,
+                      float f5, float f6, float f7, float f8,
+                      const char * fmt, ...)
+{
+  va_list va;
+  va_start(va, fmt);
+  minivprintf(fmt, va);
+  va_end(va);
+}
+
+/* Test va_list compatibility with the C library */
+
+void printf_compat(const char * fmt, ...)
+{
+  va_list va;
+  va_start(va, fmt);
+  vprintf(fmt, va);
+  va_end(va);
+}
+
+/* The test harness */
+
+int main()
+{
+  miniprintf("An int: %d\n", 42);
+  miniprintf("A long long: %l\n", 123456789012345LL);
+  miniprintf("A string: %s\n", "Hello world");
+  miniprintf("A double: %e\n", 3.141592654);
+  miniprintf("A char: %c and "
+             "A string: %s and "
+             "An int: %d and "
+             "A long: %l and "
+             "A double: %e and "
+             "A float: %f\n",
+             'x',
+             "Hello, world!",
+             42,
+             123456789012345LL,
+             3.141592654,
+             2.71828182);
+  miniprintf2("Twice: %d %e\n", -1, 1.23);
+  miniprintf3("With va_copy: %d %e\n", -1, 1.23);
+  miniprintf_extra(0, 1, 2, 3, 4, 5, 6, 7,
+                   0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7,
+             "With extra args: "
+             "A char: %c and "
+             "A string: %s and "
+             "An int: %d and "
+             "A long: %l and "
+             "A double: %e and "
+             "A float: %f\n",
+             'x',
+             "Hello, world!",
+             42,
+             123456789012345LL,
+             3.141592654,
+             2.71828182);
+  printf_compat("va_list compatibility: "  
+                "A char: %c and "
+                "A string: %s and "
+                "An int: %d and "
+                "A long: %lld and "
+                "A double: %.10g and "
+                "A float: %.10g\n",
+                'x',
+                "Hello, world!",
+                42,
+                123456789012345LL,
+                3.141592654,
+                (float) 2.71828182);
+  return 0;
+}
+
+
+
+